{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["protein", "RNA", "cell type", "DNA", "cell line"], "input": "The addition of TGF-beta to human B lymphocyte cultures stimulated with Staphylococcus aureus Cowan strain I and IL-2 completely inhibited B cell Ig secretion (greater than 90%) and decreased B cell surface IgM , IgD , kappa L chain , and lambda L chain expression ."}
{"protein": ["TGF-beta", "IL-2", "Ig"], "RNA": [], "cell type": ["B cell"], "DNA": [], "cell line": ["human B lymphocyte cultures"]}